River Kelpie + Mikaeus, the Unhallowed + Ashnod's Altar

River Kelpie
Mikaeus, the Unhallowed
Ashnod's Altar

Requires
River Kelpie must be on the battlefield. Mikaeus, the Unhallowed must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Activate Ashnod's Altar by sacrificing River Kelpie, adding .
  2. River Kelpie's persist and undying abilities trigger.
  3. Resolve the persist trigger, returning River Kelpie from your graveyard to the battlefield with a -1/-1 counter on it.
  4. River Kelpie enters the battlefield, causing you to draw.
  5. The undying trigger fails to resolve because River Kelpie is not in your graveyard.
  6. Activate Ashnod's Altar by sacrificing River Kelpie, adding .
  7. River Kelpie's undying and persist abilities trigger.
  8. Resolve the undying trigger, returning River Kelpie from your graveyard to the battlefield with a +1/+1 counter on it.
  9. River Kelpie enters the battlefield, causing you to draw a card.
  10. The persist trigger fails to resolve because River Kelpie is not in your graveyard.
  11. Repeat.
Results
Infinite card draw. Near-infinite colorless mana. Near-infinite death triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite sacrifice triggers.

Marchesa, the Black Rose
12.36% of 9321 decks 1152 decks
Muldrotha, the Gravetide
0.91% of 15112 decks 138 decks
Missy
0.84% of 1781 decks 15 decks
Zur the Enchanter
0.14% of 11095 decks 15 decks
Wilhelt, the Rotcleaver
0.06% of 18970 decks 11 decks
The Scarab God
0.07% of 10352 decks 7 decks
Gisa and Geralf
0.15% of 4645 decks 7 decks
Bane, Lord of Darkness
0.29% of 2087 decks 6 decks
Grimgrin, Corpse-Born
0.24% of 2083 decks 5 decks
Kenrith, the Returned King
0.02% of 21513 decks 4 decks
Ghost of Ramirez DePietro // Tormod, the Desecrator
0.56% of 532 decks 3 decks
Ishai, Ojutai Dragonspeaker // Reyhan, Last of the Abzan
0.19% of 1569 decks 3 decks
The Master, Formed Anew
0.68% of 438 decks 3 decks
The Mimeoplasm
0.03% of 5780 decks 2 decks
Kraum, Ludevic's Opus // Tormod, the Desecrator
0.69% of 288 decks 2 decks
Satoru, the Infiltrator
0.16% of 1256 decks 2 decks
Nevinyrral, Urborg Tyrant
0.13% of 1536 decks 2 decks
Sedris, the Traitor King
0.11% of 1886 decks 2 decks
New Cards
Alesha, Who Laughs at Fate
67% of 9 decks +51% synergy
Into the Pit
54% of 57 decks +47% synergy
Gleeful Arsonist
52% of 52 decks +40% synergy
Withering Torment
49% of 77 decks +28% synergy
High-Society Hunter
42% of 12 decks +35% synergy
High Synergy Cards
Flayer of the Hatebound
85% of 1187 decks +85% synergy
Uncivil Unrest
82% of 892 decks +80% synergy
Unspeakable Symbol
74% of 1414 decks +73% synergy
Gev, Scaled Scorch
75% of 154 decks +73% synergy
Spore Frog
74% of 159 decks +71% synergy
Goblin Bombardment
78% of 1187 decks +71% synergy
Kitchen Finks
69% of 13 decks +69% synergy
Carrion Feeder
72% of 1414 decks +67% synergy
Glen Elendra Archmage
68% of 1414 decks +66% synergy
Thran Vigil
66% of 1231 decks +66% synergy
Top Cards
Blasphemous Act
76% of 1187 decks +43% synergy
Eternal Witness
72% of 159 decks +51% synergy
Viscera Seer
71% of 1414 decks +62% synergy
Sakura-Tribe Elder
70% of 159 decks +52% synergy
Solemn Simulacrum
68% of 1414 decks +54% synergy
Grim Haruspex
67% of 1414 decks +63% synergy
Baleful Strix
67% of 1414 decks +54% synergy
Pernicious Deed
62% of 159 decks +60% synergy
Yahenni, Undying Partisan
62% of 1411 decks +59% synergy
Solemnity
61% of 44 decks +61% synergy
Creatures
Iron Apprentice
61% of 1349 decks +60% synergy
Luminous Broodmoth
60% of 43 decks +58% synergy
Drana, Liberator of Malakir
59% of 1412 decks +56% synergy
Warren Soultrader
58% of 332 decks +51% synergy
Scorn-Blade Berserker
58% of 975 decks +57% synergy
Mahadi, Emporium Master
56% of 1118 decks +50% synergy
Herald of Secret Streams
56% of 1409 decks +53% synergy
Haywire Mite
54% of 116 decks +50% synergy
Heartmender
54% of 13 decks +54% synergy
Satoru, the Infiltrator
53% of 399 decks +50% synergy
Danny Pink
53% of 695 decks +51% synergy
Juri, Master of the Revue
51% of 1165 decks +48% synergy
Spark Double
51% of 1403 decks +44% synergy
Thundering Raiju
50% of 1147 decks +49% synergy
The Gitrog Monster
48% of 159 decks +43% synergy
Braids, Arisen Nightmare
46% of 1281 decks +39% synergy
World Shaper
45% of 159 decks +42% synergy
Birds of Paradise
45% of 159 decks +18% synergy
Doc Aurlock, Grizzled Genius
44% of 34 decks +39% synergy
Pollywog Prodigy
43% of 138 decks +31% synergy
Zealous Conscripts
43% of 1187 decks +41% synergy
Sage of Fables
43% of 1414 decks +43% synergy
Accursed Marauder
42% of 252 decks +33% synergy
Bloodtracker
42% of 1405 decks +42% synergy
Underrealm Lich
41% of 157 decks +38% synergy
Puppeteer Clique
41% of 1414 decks +40% synergy
Gisa, Glorious Resurrector
40% of 1364 decks +39% synergy
Aftermath Analyst
39% of 38 decks +35% synergy
Good-Fortune Unicorn
38% of 13 decks +36% synergy
Mulldrifter
38% of 1414 decks +32% synergy
Cankerbloom
36% of 96 decks +29% synergy
Fain, the Broker
35% of 1377 decks +34% synergy
Voldaren Thrillseeker
34% of 898 decks +34% synergy
Marionette Apprentice
33% of 332 decks +25% synergy
Dockside Extortionist
33% of 1174 decks +20% synergy
Safehold Elite
31% of 13 decks +31% synergy
Elas il-Kor, Sadistic Pilgrim
31% of 36 decks +19% synergy
Grumgully, the Generous
30% of 10 decks +28% synergy
Springbloom Druid
29% of 157 decks +25% synergy
Hermit Druid
29% of 159 decks +28% synergy
Caustic Caterpillar
29% of 159 decks +27% synergy
Yawgmoth, Thran Physician
29% of 1399 decks +25% synergy
Kethek, Crucible Goliath
27% of 967 decks +26% synergy
Satyr Wayfinder
27% of 159 decks +25% synergy
Wight of the Reliquary
27% of 30 decks +18% synergy
Dauthi Voidwalker
26% of 1374 decks +18% synergy
Bloodflow Connoisseur
26% of 1414 decks +26% synergy
Reclamation Sage
25% of 159 decks +14% synergy
Esper Sentinel
24% of 41 decks +4% synergy
Uro, Titan of Nature's Wrath
24% of 157 decks +20% synergy
Instants
Chaos Warp
55% of 1187 decks +23% synergy
Counterspell
53% of 1414 decks +10% synergy
Cyclonic Rift
44% of 1414 decks +16% synergy
Swords to Plowshares
43% of 44 decks -20% synergy
Terminate
37% of 1187 decks +16% synergy
Village Rites
36% of 1388 decks +26% synergy
Path to Exile
34% of 44 decks -11% synergy
Enlightened Tutor
32% of 44 decks +14% synergy
Assassin's Trophy
30% of 157 decks -0% synergy
Deadly Dispute
29% of 1368 decks +17% synergy
Arcane Denial
27% of 1414 decks +7% synergy
Negate
25% of 1414 decks +2% synergy
Eladamri's Call
23% of 13 decks +12% synergy
Vampiric Tutor
22% of 1414 decks +3% synergy
Dovin's Veto
20% of 44 decks +1% synergy
Teferi's Protection
20% of 44 decks +0% synergy
Fierce Guardianship
19% of 1391 decks +1% synergy
Mana Drain
18% of 1414 decks +3% synergy
Void Rend
17% of 41 decks +2% synergy
Swan Song
16% of 1414 decks -0% synergy
An Offer You Can't Refuse
15% of 1336 decks -5% synergy
Plumb the Forbidden
15% of 1377 decks +12% synergy
Beast Within
14% of 159 decks -25% synergy
Bedevil
14% of 1179 decks -1% synergy
Anguished Unmaking
14% of 44 decks -11% synergy
Generous Gift
14% of 44 decks -12% synergy
Feign Death
13% of 1368 decks +11% synergy
Deflecting Swat
12% of 1170 decks -4% synergy
Act of Aggression
12% of 1187 decks +11% synergy
Deadly Rollick
12% of 1391 decks +1% synergy
Fell the Profane
11% of 332 decks -1% synergy
Silence
11% of 44 decks +5% synergy
Flare of Denial
11% of 344 decks +7% synergy
Crop Rotation
11% of 159 decks +1% synergy
Wither and Bloom
10% of 209 decks +10% synergy
Rakdos Charm
10% of 1187 decks -5% synergy
Cauldron Haze
9% of 44 decks +9% synergy
Sink into Stupor
9% of 332 decks -4% synergy
Untimely Malfunction
9% of 70 decks -9% synergy
Dark Ritual
9% of 1414 decks -14% synergy
Slip Out the Back
8% of 1336 decks +6% synergy
Malakir Rebirth
8% of 1385 decks -0% synergy
Harrow
8% of 159 decks -1% synergy
Lethal Scheme
8% of 1336 decks +7% synergy
First Day of Class
8% of 1161 decks +7% synergy
Heroic Intervention
8% of 159 decks -22% synergy
Flare of Malice
7% of 337 decks +4% synergy
Blacksmith's Skill
7% of 41 decks +5% synergy
Entomb
7% of 1414 decks -0% synergy
Domineering Will
7% of 1414 decks +7% synergy
Sorceries
Mark of Mutiny
51% of 1187 decks +50% synergy
Toxic Deluge
45% of 1414 decks +28% synergy
Feed the Swarm
45% of 1385 decks +26% synergy
Vandalblast
42% of 1187 decks +25% synergy
Mob Rule
36% of 1187 decks +35% synergy
Blasphemous Edict
33% of 12 decks -1% synergy
Demonic Tutor
31% of 1414 decks +9% synergy
Life from the Loam
27% of 159 decks +23% synergy
Damnation
24% of 1414 decks +16% synergy
Mass Mutiny
24% of 1187 decks +23% synergy
Diabolic Intent
24% of 1414 decks +15% synergy
Victimize
22% of 1414 decks +11% synergy
Idyllic Tutor
20% of 44 decks +15% synergy
Damn
20% of 41 decks +3% synergy
Farseek
18% of 159 decks -16% synergy
Wave Goodbye
17% of 572 decks +15% synergy
Wrath of God
16% of 44 decks +9% synergy
Supreme Verdict
16% of 44 decks +2% synergy
Reanimate
15% of 1414 decks -0% synergy
Insurrection
15% of 1187 decks +14% synergy
Three Visits
15% of 159 decks -10% synergy
Living Death
14% of 1414 decks +8% synergy
Nature's Lore
13% of 159 decks -19% synergy
Seize the Spotlight
13% of 1138 decks +11% synergy
Resurgent Belief
12% of 41 decks +10% synergy
Replenish
11% of 44 decks +10% synergy
Sevinne's Reclamation
11% of 44 decks +4% synergy
Cultivate
11% of 159 decks -36% synergy
Farewell
10% of 41 decks -4% synergy
Villainous Wealth
9% of 159 decks +1% synergy
Kodama's Reach
9% of 159 decks -23% synergy
Act of Treason
9% of 1187 decks +8% synergy
Kari Zev's Expertise
9% of 1184 decks +8% synergy
Jeska's Will
8% of 1165 decks -10% synergy
Vengeful Possession
8% of 65 decks +6% synergy
Rampant Growth
8% of 159 decks -27% synergy
Bala Ged Recovery
7% of 154 decks -2% synergy
Furnace Reins
7% of 898 decks +6% synergy
Slave of Bolas
7% of 1187 decks +6% synergy
Culling Ritual
7% of 151 decks -4% synergy
Buried Alive
6% of 1414 decks +1% synergy
Last One Standing
6% of 1180 decks +5% synergy
Eldritch Evolution
6% of 159 decks +2% synergy
Windfall
6% of 1414 decks -7% synergy
Agadeem's Awakening
6% of 1385 decks +2% synergy
Chain Reaction
6% of 1187 decks +1% synergy
Press into Service
5% of 1185 decks +5% synergy
Neoform
5% of 157 decks -0% synergy
Grim Tutor
5% of 1414 decks +0% synergy
Diabolic Tutor
5% of 1414 decks -1% synergy
Utility Artifacts
Lightning Greaves
56% of 1414 decks +30% synergy
Phyrexian Altar
49% of 1414 decks +45% synergy
The Ozolith
46% of 1391 decks +42% synergy
Skullclamp
43% of 1414 decks +31% synergy
Andúril, Narsil Reforged
36% of 712 decks +35% synergy
Hedge Shredder
30% of 10 decks +22% synergy
Swiftfoot Boots
30% of 1414 decks +2% synergy
Altar of Dementia
30% of 1414 decks +27% synergy
Birthing Pod
29% of 159 decks +26% synergy
Agatha's Soul Cauldron
21% of 763 decks +20% synergy
The Great Henge
10% of 157 decks -0% synergy
Bolas's Citadel
9% of 1403 decks -0% synergy
Wayfarer's Bauble
8% of 1414 decks -2% synergy
Conduit of Worlds
7% of 100 decks +0% synergy
Desecrated Tomb
6% of 1405 decks +5% synergy
Blade of the Bloodchief
5% of 1414 decks +4% synergy
Enchantments
Seal of Primordium
60% of 159 decks +59% synergy
Sneak Attack
60% of 1187 decks +57% synergy
Rhystic Study
39% of 1414 decks +11% synergy
Phyrexian Unlife
39% of 44 decks +38% synergy
Trouble in Pairs
36% of 14 decks +29% synergy
Delaying Shield
32% of 44 decks +32% synergy
Rhythm of the Wild
30% of 10 decks +7% synergy
Nine Lives
28% of 43 decks +27% synergy
Smothering Tithe
27% of 44 decks +2% synergy
Dictate of Erebos
27% of 1414 decks +23% synergy
Grave Betrayal
24% of 1414 decks +23% synergy
Greater Auramancy
23% of 44 decks +21% synergy
Feast on the Fallen
22% of 1414 decks +22% synergy
Greater Good
22% of 159 decks +17% synergy
Grave Pact
19% of 1414 decks +15% synergy
Ghostly Prison
18% of 44 decks +7% synergy
Exploration
18% of 159 decks +9% synergy
Mystic Remora
17% of 1414 decks -1% synergy
Kenrith's Transformation
17% of 157 decks +10% synergy
Defense of the Heart
16% of 159 decks +14% synergy
Inner Sanctum
16% of 44 decks +16% synergy
Celestial Convergence
16% of 44 decks +16% synergy
Phyrexian Arena
15% of 1414 decks +1% synergy
Warstorm Surge
14% of 1187 decks +9% synergy
Journey to Eternity
14% of 159 decks +10% synergy
Sylvan Library
14% of 159 decks +2% synergy
Force Bubble
14% of 44 decks +14% synergy
Black Market Connections
13% of 1311 decks +2% synergy
All Will Be One
13% of 937 decks +10% synergy
Animate Dead
12% of 1414 decks +3% synergy
Cathars' Crusade
11% of 44 decks +6% synergy
Seal from Existence
11% of 28 decks +10% synergy
Elephant Grass
11% of 159 decks +10% synergy
Pattern of Rebirth
11% of 159 decks +10% synergy
Phyrexian Reclamation
10% of 1414 decks +6% synergy
Survival of the Fittest
9% of 159 decks +8% synergy
Martyr's Cause
9% of 44 decks +9% synergy
Fanatical Devotion
9% of 44 decks +8% synergy
Grasp of Fate
9% of 44 decks +6% synergy
Black Market
9% of 1414 decks +4% synergy
Sultai Ascendancy
8% of 159 decks +6% synergy
Kaya's Ghostform
8% of 1403 decks +4% synergy
Necropotence
7% of 1414 decks +2% synergy
Karmic Justice
7% of 44 decks +6% synergy
Blind Obedience
7% of 44 decks +0% synergy
Attrition
7% of 1414 decks +6% synergy
The Meathook Massacre
7% of 1364 decks +1% synergy
Vessel of Nascency
6% of 159 decks +6% synergy
Khalni Heart Expedition
6% of 159 decks +4% synergy
Guardian Project
6% of 157 decks -3% synergy
Planeswalkers
Geyadrone Dihada
18% of 1159 decks +16% synergy
Oko, Thief of Crowns
18% of 157 decks +12% synergy
Tamiyo, Collector of Tales
15% of 157 decks +14% synergy
Wrenn and Realmbreaker
12% of 84 decks +10% synergy
Liliana, Dreadhorde General
7% of 1403 decks +3% synergy
Ashiok, Dream Render
6% of 1403 decks +1% synergy
Utility Lands
High Market
49% of 1414 decks +46% synergy
Phyrexian Tower
45% of 1414 decks +37% synergy
Forge of Heroes
45% of 1405 decks +44% synergy
Bojuka Bog
40% of 1414 decks +10% synergy
Urborg, Tomb of Yawgmoth
32% of 1414 decks +22% synergy
Reliquary Tower
29% of 1414 decks -0% synergy
Hall of Heliod's Generosity
25% of 44 decks +18% synergy
Boseiju, Who Endures
24% of 142 decks +4% synergy
Spymaster's Vault
22% of 332 decks +18% synergy
The Black Gate
16% of 832 decks +12% synergy
Ancient Tomb
16% of 1414 decks +5% synergy
Tyrite Sanctum
13% of 1380 decks +11% synergy
Drannith Ruins
12% of 913 decks +11% synergy
Nesting Grounds
10% of 1391 decks +9% synergy
Otawara, Soaring City
10% of 1349 decks -7% synergy
Cabal Coffers
10% of 1414 decks -1% synergy
Rogue's Passage
9% of 1414 decks -10% synergy
Takenuma, Abandoned Mire
9% of 1349 decks -1% synergy
Command Beacon
9% of 1412 decks +4% synergy
Temple of the False God
7% of 1414 decks -3% synergy
Serra's Sanctum
7% of 44 decks +5% synergy
Tranquil Thicket
6% of 159 decks +3% synergy
Grim Backwoods
6% of 159 decks +2% synergy
Alchemist's Refuge
6% of 159 decks -0% synergy
Urza's Saga
6% of 1374 decks -1% synergy
Arena of Glory
6% of 234 decks -4% synergy
Karn's Bastion
6% of 1403 decks +1% synergy
Gaea's Cradle
6% of 159 decks -0% synergy
Strip Mine
6% of 1414 decks +3% synergy
Mana Artifacts
Sol Ring
94% of 1414 decks +10% synergy
Arcane Signet
88% of 1396 decks +16% synergy
Talisman of Indulgence
61% of 1187 decks +35% synergy
Talisman of Dominance
59% of 1414 decks +28% synergy
Talisman of Creativity
58% of 1174 decks +29% synergy
Rakdos Signet
52% of 1187 decks +23% synergy
Dimir Signet
47% of 1414 decks +17% synergy
Izzet Signet
42% of 1187 decks +13% synergy
Talisman of Hierarchy
30% of 44 decks +5% synergy
Orzhov Signet
27% of 44 decks +0% synergy
Fellwar Stone
27% of 1414 decks +6% synergy
Talisman of Progress
25% of 44 decks +2% synergy
Azorius Signet
25% of 44 decks -1% synergy
Golgari Signet
18% of 159 decks +5% synergy
Chromatic Lantern
17% of 1414 decks +7% synergy
Simic Signet
15% of 159 decks +1% synergy
Relic of Sauron
14% of 727 decks +2% synergy
Commander's Sphere
11% of 1414 decks -4% synergy
Thought Vessel
10% of 1412 decks -7% synergy
Mana Crypt
10% of 1414 decks +1% synergy
Talisman of Resilience
8% of 157 decks -4% synergy
Lotus Petal
7% of 1414 decks +0% synergy
Mind Stone
7% of 1414 decks -11% synergy
Talisman of Curiosity
5% of 157 decks -7% synergy
Lands
Command Tower
93% of 1414 decks +19% synergy
Overgrown Tomb
70% of 159 decks +27% synergy
Watery Grave
69% of 1414 decks +28% synergy
Blood Crypt
69% of 1187 decks +30% synergy
Steam Vents
68% of 1187 decks +29% synergy
Breeding Pool
66% of 159 decks +25% synergy
Xander's Lounge
64% of 1138 decks +37% synergy
Godless Shrine
61% of 44 decks +21% synergy
Hallowed Fountain
61% of 44 decks +20% synergy
Exotic Orchard
60% of 1414 decks +25% synergy
Dragonskull Summit
59% of 1187 decks +28% synergy
Crumbling Necropolis
57% of 1187 decks +26% synergy
Shivan Reef
57% of 1187 decks +30% synergy
Drowned Catacomb
55% of 1414 decks +30% synergy
Zagoth Triome
54% of 155 decks +23% synergy
Sulfur Falls
52% of 1187 decks +22% synergy
Training Center
51% of 1165 decks +24% synergy
Raffine's Tower
51% of 41 decks +23% synergy
Sulfurous Springs
48% of 1187 decks +28% synergy
Woodland Cemetery
48% of 159 decks +20% synergy
Luxury Suite
48% of 1180 decks +21% synergy
Vault of Champions
48% of 42 decks +22% synergy
Underground River
47% of 1414 decks +28% synergy
Hinterland Harbor
47% of 159 decks +20% synergy
Temple Garden
46% of 13 decks +6% synergy
Undergrowth Stadium
45% of 154 decks +19% synergy
Morphic Pool
43% of 1405 decks +17% synergy
Sea of Clouds
41% of 44 decks +15% synergy
Polluted Delta
41% of 1414 decks +29% synergy
The World Tree
40% of 10 decks +6% synergy
Stomping Ground
40% of 10 decks -1% synergy
Opal Palace
40% of 1414 decks +37% synergy
Opulent Palace
40% of 159 decks +13% synergy
Rejuvenating Springs
40% of 154 decks +11% synergy
Sunken Hollow
40% of 1412 decks +5% synergy
Llanowar Wastes
36% of 159 decks +11% synergy
Bloodstained Mire
36% of 1414 decks +26% synergy
Arcane Sanctum
34% of 44 decks +6% synergy
Yavimaya Coast
34% of 159 decks +7% synergy
Underground Mortuary
33% of 42 decks +17% synergy
Scalding Tarn
33% of 1414 decks +22% synergy
Tundra
32% of 44 decks +18% synergy
Smoldering Marsh
31% of 1185 decks -1% synergy
Hedge Maze
31% of 42 decks +17% synergy
Seething Landscape
31% of 234 decks +15% synergy
Scrubland
30% of 44 decks +16% synergy
Raugrin Triome
27% of 11 decks +1% synergy
Sacred Foundry
27% of 11 decks -9% synergy
Deserted Beach
27% of 41 decks +11% synergy
Deathcap Glade
26% of 145 decks +12% synergy